Grenfel Calheiros

Simpson Thacher & Bartlett LLP

Grenfel S. Calheiros is a Partner in the Firm’s Corporate Department and Head of the São Paulo office. He regularly advises clients in mergers and acquisitions and corporate finance transactions, with a primary focus on Latin America and particularly Brazil.

Grenfel has represented clients on a broad range of transactions in Brazil and throughout Latin America, including leading companies, private equity sponsors and investment banks in cross-border mergers and acquisitions, securities offerings and other complex corporate matters.

He has recently participated in leading transactions in Latin America, including Netshoes’ US$148.5 million IPO on the NYSE; several bond offers by Embraer as underwriters’ counsel; numerous bond offerings by BRF; and BrasilAgro’s listing on the NYSE. In addition, he was involved in the $4.8 billion acquisition of Sadia by Perdigão and the related $2.4 billion SEC-registered equity offering by BRF-Brasil Foods, the Telefonica Brasil’s US$5.5 billion equity offering, the Nasdaq-listed IPO offering by MercadoLibre and several equity and debt offerings by Embraer.

Grenfel is active in representing a number of Brazilian issuers, including BRF, CPFL Energias Renovaveis and BIOSEV in their international equity offerings. He also regularly represents major financial institutions, including BTG Pactual, Citigroup, Credit Suisse, Deutsche Bank, Goldman Sachs, HSBC, J.P. Morgan and Morgan Stanley in a variety of securities offerings, including for such issuers as Embraer, Marfrig, RadioShack, Smithfield Foods and Forest Oil.

In mergers and acquisitions, Grenfel has participated in various private equity projects, including representing private equity firms Blackstone Real Estate Partners and Patria Investimentos in the acquisition of Alphaville Urbanismo S.A. and the representation of Polymer Group, Inc., a Blackstone portfolio company, in its acquisition of Brazilian company Companhia Providência Indústria e Comércio.

He has also recently represented SBA Communications Corporation in connection with its acquisition of 800 freestanding wireless towers from one of the leading broadband wireless carriers in Brazil–its first transaction in Brazil. Additionally, he was involved with TPG-Axon in its acquisition of a joint-controlling stake in Brazilian Finance & Real Estate Participações.

He has represented financial advisors in connection with several cross-border mergers, most recently serving as counsel to J.P. Morgan in connection with UnitedHealth Group’s $4.9 billion acquisition of Amil Participações in Brazil.

Grenfel received his law degree in 2000 from Universidade de São Paulo and his LL.M. in 2003 from the University of Chicago Law School. He spent the first nine years of his career in Simpson Thacher’s New York office. Grenfel is fluent in Portuguese and is admitted to practice in New York.


  • University of Chicago Law School, 2003 LL.M.
  • University of São Paulo, 2000 J.D. Equivalent

Admissions : New York 2005


Rate : $$$

What types of cases Attorney Grenfel Calheiros & Simpson Thacher & Bartlett LLP can handle?
Simpson Thacher & Bartlett LLP can handle cases related to laws concerning Corporate, Mergers & Acquisitions, Securities Fraud, Project & Equipment Finance. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
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